To use any of the above modules, you need to connect your Twitch account to Integromat. If you do not have a Twitch account yet, you can create one at Twitch.tv.
To connect your Twitch account to Integromat, follow the general instructions for Connecting to services. After you click the Continue button, Integromat will redirect you to the Twitch website where you will be prompted to grant Integromat access to your account:
Here, allow access by clicking the Authorize button. Afterwards, you will be redirected back to the Integromat administration page. Now, you can continue creating your scenario.